/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.android.apis.os;

// Need the following import to get access to the app resources, since this
// class is in a sub-package.

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.os.Vibrator;
import android.view.View;
import android.widget.TextView;
import com.example.android.apis.R;

/**
 * <h3>App that vibrates the vibrator with the Morse Code for a string.</h3>
 * 
 * <p>
 * This demonstrates the {@link android.os.Vibrator android.os.Vibrator} class.
 * 
 * <h4>Demo</h4>
 * OS / Morse Code Vibrator
 * 
 * <h4>Source files</h4>
 * <table class="LinkTable">
 * <tr>
 * <td >src/com.example.android.apis/os/MorseCode.java</td>
 * <td >The Morse Code Vibrator</td>
 * </tr>
 * <tr>
 * <td >res/any/layout/morse_code.xml</td>
 * <td >Defines contents of the screen</td>
 * </tr>
 * </table>
 */
public class MorseCode extends Activity {
	/** Our text view */
	private TextView mTextView;

	/**
	 * Initialization of the Activity after it is first created. Must at least
	 * call {@link android.app.Activity#setContentView setContentView()} to
	 * describe what is to be displayed in the screen.
	 */
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		// Be sure to call the super class.
		super.onCreate(savedInstanceState);

		// See assets/res/any/layout/hello_world.xml for this
		// view layout definition, which is being set here as
		// the content of our screen.
		setContentView(R.layout.morse_code);

		// Set the OnClickListener for the button so we see when it's pressed.
		findViewById(R.id.button).setOnClickListener(mClickListener);

		// Save the text view so we don't have to look it up each time
		mTextView = (TextView) findViewById(R.id.text);
	}

	/** Called when the button is pushed */
	View.OnClickListener mClickListener = new View.OnClickListener() {
		public void onClick(View v) {
			// Get the text out of the view
			String text = mTextView.getText().toString();

			// convert it using the function defined above. See the docs for
			// android.os.Vibrator for more info about the format of this array
			long[] pattern = MorseCodeConverter.pattern(text);

			// Start the vibration
			Vibrator vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
			vibrator.vibrate(pattern, -1);
		}
	};
}
